XC9106 データシートの表示（PDF） - TOREX SEMICONDUCTOR
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XC9106 Datasheet PDF : 8 Pages
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XC9106 / 07 Series
Preliminary
PWM Control, PWM/PFM Switching Control,
Step-up DC/DC Converters
Externally Applied Reference Voltage (Vref)
" ELECTRICAL CHARACTERISTICS
XC9106D001MR, XC9107D001MR
(FOSC=100 (kHz)
PARAMETER
SYMBOL
CONDITIONS
MIN.
Output Voltage
VOUT Vref = 0.9V
8.820
Reference Voltage Range
Vref
0.8
FB Control Voltage
Vref = 0.9V
VFB Vref = 0.9V
0.784
0.882
*1 Power Supply Voltage Range
VDD
Vref = 2.5V
VDD as shown right or (Vref applied voltage+0.7V)
2.450
1.8
Operation Start Voltage
VST1 Recommended Circuit using 2SD1628, IOUT=1.0mA
*1
Oscillation Start Voltage
VST2
No external connections
CE/Vref=0.9V, Voltage applied, FB=0V
Operation Holding Voltage
VHLD Recommended Circuit using 2SD1628, IOUT=1.0mA
Supply Current 1
IDD1 Same as VST2, VDD=3.300V
Supply Current 2
IDD2 Same as IDD1, FB=1.2V
Stand-by Current
ISTB Same as IDD1, CE/Vref=0V
Oscillation Frequency
FOSC Same as IDD1
85
Maximum Duty Ratio
MAXDTY Same as IDD1
75
PFM Duty Ratio
PFMDTY No Load
(XC9106 series)
20
Efficiency
EFFI Recommended Circuit using XP161A1355
Soft-start Time
TSS Vref=0.9V
5.0
CE "High" Voltage
VCEH Same as IDD1
0.65
CE "Low" Voltage
VCEL Same as IDD1
EXT "High" ON Resistance REXTH Same as IDD1, VEXT=VOUT-0.4V
EXT "Low" ON Resistance REXTL Same as IDD1, VEXT=0.4V
CE "High" Current
ICEH Same as IDD2, CE=0.8V
-1.0
Same as IDD2, CE=2.5V
0.0
CE "Low" Current
ICEL Same as IDD2, CE=0V
FB "High" Current
IFBH Same as IDD2, FB=VDD
FB "Low" Current
IFBL Same as IDD2, FB=1.0V
Test Conditions: Unless otherwise stated, CL: ceramic, recommended MOS FET should be connected.
VDD = 3.30 (V) ! Vref = 0.09 (V) , RFB1, 2 x 10
VIN = 3.30 (V) ! IOUT = 50 (mA)
TYP.
9.000
0.800
0.900
2.500
29
14
100
81
28
85
10.0
24
16
MAX.
9.180
2.5
0.816
0.918
2.550
10.0
0.9
Ta=25OC
UNITS CIRCUIT
V
1
V
-
V
4
V
-
V
3
0.8
V
4
0.7
V
3
41
µA
4
19
µA
4
1.0
µA
5
115 KHz 4
87
%
4
36
%
1
%
1
20.0 mS
1
V
5
0.20
V
5
36
Ω
4
24
Ω
4
0.0
µA
5
2.5
-0.1 µA
5
0.1
µA
5
-0.1 µA
5
Notes 1* :
Although the IC starts step-up operations from a VDD of 0.8V, the output voltage and oscillation frequency are stabilized at
VDD ≥ 1.8V or (Vref applied voltage + 0.7V). Therefore, a VDD of more than 1.8V or (Vref applied voltage + 0.7V) is recommended when VDD is
supplied from VIN or other power sources.
4
Semiconductor Ltd.
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